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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
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x := 1. So if you like to see what the functions return for y := 1, y := 2, y := 3 you
have to write f(1,1) , f(1,2) , f(1,3).
In Java 8, constructive functions should be handled (most of the time) by using method references because there's not much advantage of using a constructive lambda funct...
How to overcome TypeError: unhashable type: 'list'
...pend(value)
else:
d[key] = [value]
print d
# {'AAA': ['111', '112'], 'AAC': ['123'], 'AAB': ['111']}
Note that if you are using Python 3.x, you'll have to make a minor adjustment to get it work properly. If you open the file with rb, you'll need to use line = line.split(b'x') (which mak...
Test if lists share any items in python
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322
Short answer: use not set(a).isdisjoint(b), it's generally the fastest.
There are four common ...
How can I convert the “arguments” object to an array in JavaScript?
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21 Answers
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Active
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Bring element to front using CSS
...ative to .content
#header {
background: url(http://placehold.it/420x160) center top no-repeat;
}
#header-inner {
background: url(http://placekitten.com/150/200) right top no-repeat;
}
.logo-class {
height: 128px;
}
.content {
margin-left: auto;
margin-right: auto;...
How to correctly use the extern keyword in C
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295
"extern" changes the linkage. With the keyword, the function / variable is assumed to be avail...
Time complexity of Euclid's Algorithm
..., which makes the analysis easier. You can divide it into cases:
Tiny A: 2a <= b
Tiny B: 2b <= a
Small A: 2a > b but a < b
Small B: 2b > a but b < a
Equal: a == b
Now we'll show that every single case decreases the total a+b by at least a quarter:
Tiny A: b % (a % b) < a a...
What is tail call optimization?
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772
Tail-call optimization is where you are able to avoid allocating a new stack frame for a functio...